Home / 407,322.64-562,090.38-226,042.48

Finding the Fourth Proportional to 407,322.64, 562,090.38 and 226,042.48

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Solution

The fourth proportional to 407,322.64, 562,090.38 and 226,042.48 is: 311,930.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,322.64 : 562,090.38 = 226,042.48 : x
  2. Step 2: Convert to fraction form
    407,322.64/562,090.38 = 226,042.48/x
  3. Step 3: Cross multiply
    407,322.64x = 562,090.38 × 226,042.48
  4. Step 4: Simplify right side
    407,322.64x = 127,056,303,479.34
  5. Step 5: Solve for x
    x = 127,056,303,479.34/407,322.64
  6. Step 6: Final answer
    x = 311,930.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.